CN113977288B - Automatic processing equipment and processing technology for bearing production and manufacturing - Google Patents
Automatic processing equipment and processing technology for bearing production and manufacturing Download PDFInfo
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- CN113977288B CN113977288B CN202111301455.3A CN202111301455A CN113977288B CN 113977288 B CN113977288 B CN 113977288B CN 202111301455 A CN202111301455 A CN 202111301455A CN 113977288 B CN113977288 B CN 113977288B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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Abstract
The invention relates to the technical field of bearing processing, in particular to automatic processing equipment and a processing technology for bearing production and manufacturing; comprises a bottom plate, a limiting sleeve, a fixing device, a cutting device and a polishing device; the invention can solve the problems that the jaw type fixation adopted by the prior bearing inner ring easily influences the opening of the groove on the outer wall of the bearing inner ring, and the eccentricity is easily generated in the rotating process of the bearing inner ring, so that the depth of the groove on the outer wall of the bearing inner ring is not uniform, and the opening effect of the groove on the outer wall of the bearing inner ring is influenced; in the process of forming the groove on the outer wall of the bearing inner ring, the cutter is easy to shake, so that the forming quality of the groove on the outer wall of the bearing inner ring is influenced, and after the groove on the outer wall of the bearing inner ring is formed, a large amount of burrs exist on the outer wall of the groove, the existing burrs influence the high-speed running of a later-stage rolling body, further influence the use of the bearing and the like; the invention improves the opening effect of the groove on the outer wall of the bearing inner ring; the grooves on the outer wall of the bearing inner ring are ensured to be smooth and uniform.
Description
Technical Field
The invention relates to the technical field of bearing processing, in particular to automatic processing equipment and a processing technology for bearing production and manufacturing.
Background
The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process, and guarantee its gyration precision. The bearing is composed of an inner ring, an outer ring, a rolling body, a retainer, lubricating grease and a dust cover; for an inner ring and an outer ring of the bearing, an annular groove needs to be formed, and the purpose is to facilitate the high-speed rotation of the ball at the upper end.
The groove on the outer wall of the bearing inner ring is mainly provided with the following problems in the process; the groove needs to be formed in the outer wall of the bearing inner ring after the bearing inner ring is fixed, the jaw type fixing adopted at present easily influences the forming of the groove in the outer wall of the bearing inner ring, the eccentricity is easily generated in the rotating process of the bearing inner ring, the depth of the groove formed in the outer wall of the bearing inner ring is uneven, the forming effect of the groove formed in the outer wall of the bearing inner ring is influenced, in the forming process of the groove in the outer wall of the bearing inner ring, the cutting tool easily shakes, the forming quality of the groove in the outer wall of the bearing inner ring is influenced, after the groove formed in the outer wall of the bearing inner ring is formed, a large amount of burrs exist in the outer wall of the bearing inner ring, the existing burrs influence the high-speed running of later-stage rolling bodies, and the use of the bearing is further influenced.
Therefore, in order to improve the opening effect of the groove on the outer wall of the bearing inner ring; the grooves on the outer wall of the bearing inner ring are ensured to be smooth and uniform; the invention provides automatic processing equipment and a processing technology for bearing production and manufacturing.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme that the automatic processing equipment for bearing production and manufacturing comprises a bottom plate, a limiting sleeve, a fixing device, a cutting device and a grinding device; the upper end of the base plate is provided with a limiting sleeve, a circular cavity is arranged inside the limiting sleeve, sliding grooves are symmetrically formed in the left side and the right side of the limiting sleeve, the cutting device is installed in the sliding grooves in the right side of the limiting sleeve in a sliding fit mode, the polishing device is installed in the sliding grooves in the left side of the limiting sleeve in a sliding fit mode, the fixing device is arranged in the middle of the upper end of the base plate and located in the circular cavity of the limiting sleeve, and the upper end face of the limiting sleeve is evenly provided with balls through a movable connection mode so that a bearing inner ring in the later stage can rotate at a high speed.
The fixing device comprises a lifting cylinder, an outer fixing cylinder, an inner fixing cylinder, a limiting column, a limiting spring, an L-shaped insertion block, a driving motor, a double-shaft motor, an adjusting screw rod, a guide rod, an auxiliary unit and an expansion unit; the lifting cylinder is symmetrically arranged on the upper end face of the bottom plate, an outer fixing cylinder is installed at the top end of the lifting cylinder, mounting grooves are uniformly formed in the upper end face of the outer fixing cylinder along the axis direction of the outer fixing cylinder, a limiting column is arranged in each mounting groove of the outer fixing cylinder, a limiting spring is sleeved on the outer wall of each limiting column, an L-shaped inserting block is sleeved on the outer wall of each limiting column in a sliding fit mode, and one end, close to the axis of the outer fixing cylinder, of each limiting spring is connected with the outer wall of the L-shaped inserting block; the outer wall of the middle part of the inner fixed cylinder is provided with a circular chute, the upper end of the inner fixed cylinder is uniformly provided with balls along the axis direction of the inner fixed cylinder so as to facilitate the high-speed rotation of the inner fixed cylinder, and the circular chute of the inner fixed cylinder is movably connected with an L-shaped splicing block and is arranged inside the outer fixed cylinder; the driving motor is arranged on the inner wall of the bottom end of the outer fixed cylinder through a motor base, and an output shaft of the driving motor is connected with the outer wall of the bottom end of the inner fixed cylinder through a flange; the double-shaft motor is arranged in the middle of the inner wall of the bottom end of the inner fixed cylinder through a motor base, two output shafts of the double-shaft motor are both provided with adjusting screw rods through couplers, and the other ends of the adjusting screw rods are arranged on the inner wall of the inner fixed cylinder through bearings; the two adjusting screw rods arranged on the double-shaft motor have opposite rotating directions; the middle part of the inner fixed cylinder is provided with a guide rod, the guide rod is positioned above the double-shaft motor, and the number of the expansion units is two; the expansion units are symmetrically arranged on the guide rod in a left-right mode in a sliding fit mode, and the expansion units are connected with the adjusting screw rod in a threaded mode; the auxiliary unit is arranged at the upper end of the inner fixed cylinder, and the two expansion units and the auxiliary unit are mutually vertical; when the bearing inner ring is fixed, the auxiliary unit is manually pinched inwards, the bearing inner ring is manually sleeved on the outer wall of the auxiliary unit after the width of the auxiliary unit is reduced, the bearing inner ring is limited by jacking and extending the auxiliary pressing plate through the auxiliary spring after the hand is loosened, and then the height of the expansion unit is adjusted to be the same as that of the bearing inner ring under the action of the lifting cylinder; then, the double-shaft motor works to drive the adjusting screw rod to rotate, the two expansion units are adjusted to move under the rotating action of the adjusting screw rod, and the inner ring of the bearing is subjected to expansion type fixing through the expansion units; the inner fixed cylinder is driven to rotate by the high-speed rotation of the driving motor, and the bearing inner ring fixed by the upper end expansion unit is further driven to rotate at a high speed; the fixing device ensures the fixing effect of the fixing device on the bearing inner ring by adopting an outward expansion mode through the symmetrical expansion units, and ensures that the bearing inner ring cannot be eccentric in the high-speed rotating process through the auxiliary units, thereby improving the rotating stability of the bearing inner ring and ensuring the later-stage opening effect of the outer wall groove of the bearing inner ring.
Preferably; the cutting device comprises a first electric sliding block, a first supporting frame, a first adjusting rod, a first adjusting cylinder, a fixed disc, a cutting knife, a fixed plate, a square column and an actuating spring; the first electric sliding block is arranged in the right sliding groove of the limiting sleeve in a sliding fit mode; the first adjusting cylinder is arranged on the right side wall of the first supporting frame in a vertically symmetrical mode, and the telescopic end of the first adjusting cylinder is connected with the fixed disc; the left end of the first adjusting rod is provided with a square through hole, the inner wall of the right end of the cutting knife is provided with a square column, the outer wall of the square column is sleeved with an actuating spring, the fixing plate is sleeved on the outer wall of the left side of the first adjusting rod in a sliding fit mode, the fixing plate and the cutting knife are connected through screws, and the square column is located in the square through hole of the first adjusting rod; when a groove is formed in the outer wall of the bearing inner ring, the height of the cutting knife is adjusted through the movement of the first electric slide block, so that the height of the cutting knife is consistent with the height of the outer wall of the bearing inner ring; then, the first adjusting cylinder slowly contracts to drive the cutting knife to move, so that the cutting knife is in contact with the outer wall of the bearing inner ring, the rotating bearing inner ring is matched with the cutting knife, and the groove opening of the outer wall of the bearing inner ring is further completed; the cutting device can control the opening depth of the groove in the outer wall of the bearing inner ring by slowly feeding the cutting knife, can ensure the stability of the cutting knife through the square column, effectively prevents the cutting knife from shaking when the groove is formed in the bearing inner ring, improves the stability of the cutting knife, and ensures the opening quality of the groove in the outer wall of the bearing inner ring.
Preferably; the polishing device comprises a second electric sliding block, a second supporting frame, a second adjusting rod, a polishing ball, a compression spring, a tension steel rope and a second adjusting cylinder; the second electric sliding block is arranged in a sliding groove on the left side of the limiting sleeve in a sliding fit mode; a second support frame is installed on the outer wall of the second electric sliding block, a round hole is formed above the second support frame, and balls are symmetrically arranged on the inner wall of the round hole in the second support frame up and down; the upper outer wall and the lower outer wall of the second adjusting rod are symmetrically provided with guide grooves, the second adjusting rod is installed in a circular hole of the second supporting frame in a sliding fit mode, a compression spring is sleeved on the outer wall of the second adjusting rod on the left side of the second supporting frame, the left end of the compression spring is connected with the second adjusting rod, and the right end of the compression spring is connected with the second supporting frame; and the compression spring is in a compressed state; the right end of the second adjusting rod is provided with a grinding ball, the bottom end of the second adjusting cylinder is arranged on the second supporting frame, the top end of the second adjusting cylinder is provided with a tension steel rope, and the other end of the tension steel rope penetrates through the second supporting frame and is connected to the left end of the second adjusting rod; when the groove of the outer wall of the bearing inner ring is polished, the height of the second support frame is adjusted through the motion of the second electric slide block, so that the heights of the polishing ball and the groove of the outer wall of the bearing inner ring are kept consistent, the tension steel rope is gradually released through the slow extension of the second adjusting cylinder, the second adjusting rod is driven to move through the action of the compression spring, the polishing ball is further attached to the groove of the bearing inner ring, and the groove polishing of the outer wall of the bearing inner ring is realized through the rotation of the bearing inner ring; grinding device has guaranteed the laminating degree of ball of polishing and bearing inner race outer wall slot through compression spring to guaranteed the effect of polishing of bearing inner race outer wall slot, guaranteed that bearing inner race outer wall slot is smooth even, the later stage rolling element of being convenient for rolls steadily.
Preferably; the expansion unit comprises an expansion plate, an expansion spring and a pressure plate; the expansion plate is arranged on the outer wall of the guide rod in a sliding fit mode, and the expansion plate is connected with the adjusting screw rod in a threaded mode; pressure plates are arranged on the outer wall of the expansion plate through expansion springs, the pressure plates are connected with the expansion plate in a sliding fit mode, when the bearing inner ring is fixed, the two pressure plates move in opposite directions, so that the pressure plates are in contact with the inner wall of the bearing inner ring, and finally the pressure plates are fixed under the action of expansion; the expansion unit adopts a two-point outward expansion method to fix the bearing inner ring, so that the later processing of the bearing inner ring is facilitated; and the stability of the bearing inner ring is ensured by fixing two points.
Preferably; the auxiliary unit comprises an auxiliary plate, an auxiliary spring and an auxiliary pressure plate; the auxiliary plate is arranged on the inner wall above the inner fixed cylinder, a rectangular through hole is formed in the auxiliary plate, the auxiliary pressing plates are symmetrically arranged in the rectangular through hole of the auxiliary plate in a front-back manner in a sliding fit manner, a plurality of auxiliary springs are arranged in the rectangular through hole of the auxiliary plate, and two ends of each auxiliary spring are connected with the auxiliary pressing plates; the outer wall of the auxiliary pressure plate is provided with a roller through a bearing, the roller is convenient for manually sleeving a bearing inner ring, and the roller can reduce the friction force between the roller and the bearing inner ring so as to be convenient for positioning the bearing inner ring; when the bearing inner ring is sleeved on the outer wall of the auxiliary unit, the position of the bearing inner ring can be kept centered under the action of the auxiliary spring which pushes the auxiliary pressure plate, so that the bearing inner ring can be conveniently controlled to be fixed, and the stability can be ensured in the later high-speed rotation process of the bearing inner ring under the action of the auxiliary unit; preventing the bearing inner ring from deflecting.
Preferably; the L type grafting piece is close to the one end in outer fixed cylinder axle center and is provided with the ball through the swing joint mode to in the activity effect of improvement internal fixation section of thick bamboo, and L type grafting piece can carry on spacingly to the internal fixation section of thick bamboo, make internal fixation section of thick bamboo remain stable rotation.
Preferably; the rubber pad with the groove is arranged on the outer wall of the pressure plate, so that the fixing effect of the pressure plate on the bearing inner ring is improved, and the bearing inner ring and the pressure plate are prevented from sliding relatively.
In addition, the invention also provides an automatic processing technology for bearing production and manufacturing, which comprises the following specific steps:
s1: firstly, manually sleeving a bearing inner ring to be processed on the outer wall of an auxiliary unit, jacking an auxiliary pressure plate through an auxiliary spring to limit the bearing inner ring, and then adjusting the expansion unit and the bearing inner ring to keep the same height under the action of a lifting cylinder; then, the double-shaft motor works to drive the adjusting screw rod to rotate, the two expansion units are adjusted to move under the rotating action of the adjusting screw rod, and the inner ring of the bearing is subjected to expansion type fixing through the expansion units;
s2: the driving motor works to drive the inner fixed cylinder to stably rotate at high speed, and the inner fixed cylinder rotates and drives the bearing inner ring to rotate; then, the height of the cutting knife is adjusted through the movement of the first electric slide block, so that the height of the cutting knife is consistent with the height of the outer wall of the bearing inner ring; then, the first adjusting cylinder slowly contracts to drive the cutting knife to move, so that the cutting knife is in contact with the outer wall of the bearing inner ring, and the groove of the bearing inner ring is formed;
s3: after the grooves of the bearing inner ring are formed, the second support frame is driven to move through the second electric sliding block, so that the height of the grinding ball is consistent with that of the grooves of the bearing inner ring, the second adjusting cylinder slowly extends to gradually release the tensile steel rope, the second adjusting rod is driven to move through the action of the compression spring, the grinding ball is further attached to the grooves of the bearing inner ring, and the grooves of the outer wall of the bearing inner ring are ground through the rotation of the bearing inner ring;
s4: and after polishing, manually taking down the bearing inner ring and checking the processing condition of the bearing inner ring.
The invention has the beneficial effects that: firstly, the fixing device provided by the invention ensures the fixing effect of the fixing device on the bearing inner ring by adopting an outward expansion mode through the symmetrical expansion units, and ensures that the bearing inner ring cannot be eccentric in the high-speed rotation process through the auxiliary unit, thereby improving the rotation stability of the bearing inner ring and ensuring the later-stage opening effect of the groove on the outer wall of the bearing inner ring.
The cutting device provided by the invention can control the opening depth of the groove on the outer wall of the bearing inner ring by slowly feeding the cutting knife, and can ensure the stability of the cutting knife by the square column, thereby effectively preventing the cutting knife from shaking when the groove is opened on the bearing inner ring, improving the stability of the cutting knife and ensuring the opening quality of the groove on the outer wall of the bearing inner ring.
The polishing device provided by the invention ensures the attaching degree of the polishing ball and the groove of the outer wall of the bearing inner ring through the compression spring, thereby ensuring the polishing effect of the groove of the outer wall of the bearing inner ring, ensuring the smoothness and the uniformity of the groove of the outer wall of the bearing inner ring and facilitating the stable rolling of the rolling body in the later period.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a sectional view taken along the line M-M of fig. 2 according to the present invention.
Fig. 4 is a partial structural schematic view of the fixing device of the present invention.
Fig. 5 is a partial enlarged view of the invention at a in fig. 3.
Fig. 6 is a partial enlarged view of the invention at B in fig. 3.
Fig. 7 is a cross-sectional view of the auxiliary unit of the present invention.
In the figure: 1. a base plate; 2. a limiting sleeve; 3. a fixing device; 4. a cutting device; 5. a polishing device; 31. a lifting cylinder; 32. an outer fixed cylinder; 33. an inner fixed cylinder; 34. a limiting column; 35. a limiting spring; 36. an L-shaped plug-in block; 37. a drive motor; 38. a double-shaft motor; 39. adjusting the lead screw; 30. a guide bar; 61. an auxiliary unit; 62. an expansion unit; 621. an expansion plate; 622. an expansion spring; 623. a pressure plate; 611. an auxiliary plate; 612. an auxiliary spring; 613. an auxiliary pressure plate; 41. a first electric slide block; 42. a first support frame; 43. a first adjusting rod; 44. a first adjusting cylinder; a fixed disc 45, a cutting knife 46, a fixed plate 47, a square column 48 and an actuating spring 49; the device comprises a second electric slider 51, a second support frame 52, a second adjusting rod 53, a grinding ball 54, a compression spring 55, a tension steel rope 56 and a second adjusting cylinder 57.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
In addition, the following terms are defined based on functions in the present invention, and may be different according to the intention of the user or the convention; therefore, these terms are defined based on the entire contents of the present specification.
Referring to fig. 1 and 2, an automatic processing device for bearing production and manufacturing comprises a base plate 1, a limiting sleeve 2, a fixing device 3, a cutting device 4 and a grinding device 5; 1 upper end of bottom plate be provided with stop collar 2, 2 inside circular cavities that are provided with of stop collar, the left and right sides symmetry of stop collar 2 is provided with the spout, cutting device 4 install in the right side spout of stop collar 2 through the sliding fit mode, grinding device 5 install in the left side spout of stop collar 2 through the sliding fit mode, fixing device 3 set up in the upper end middle part position of bottom plate 1, and fixing device 3 is located the circular cavities of stop collar 2, 2 up end of stop collar evenly be provided with the ball through the swing joint mode so that later stage bearing inner race rotates at a high speed.
Referring to fig. 3 and 4, the fixing device 3 includes a lifting cylinder 31, an outer fixing cylinder 32, an inner fixing cylinder 33, a limiting column 34, a limiting spring 35, an L-shaped plug-in block 36, a driving motor 37, a dual-shaft motor 38, an adjusting screw 39, a guide rod 30, an auxiliary unit 61 and an expanding unit 62; the lifting cylinder 31 is symmetrically arranged on the upper end face of the bottom plate 1, the top end of the lifting cylinder 31 is provided with an outer fixed cylinder 32, the upper end face of the outer fixed cylinder 32 is uniformly provided with mounting grooves along the axis direction, each mounting groove of the outer fixed cylinder 32 is internally provided with a limiting column 34, the outer wall of each limiting column 34 is sleeved with a limiting spring 35, the outer wall of each limiting column 34 is sleeved with an L-shaped inserting block 36 in a sliding fit manner, and one end, close to the axis of the outer fixed cylinder 32, of each limiting spring 35 is connected with the outer wall of the L-shaped inserting block 36; the L-shaped insertion block 36 is provided with a ball at one end close to the axis of the outer fixed cylinder 32 in a movable connection mode so as to improve the movable effect of the inner fixed cylinder 33, and the L-shaped insertion block 36 can limit the position of the inner fixed cylinder 33 so that the inner fixed cylinder 33 can keep stable rotation; the outer wall of the middle part of the inner fixed cylinder 33 is provided with a circular chute, the upper end of the inner fixed cylinder 33 is uniformly provided with balls along the axial direction thereof so as to facilitate the high-speed rotation of the inner fixed cylinder 33, and the circular chute of the inner fixed cylinder 33 is movably connected with an L-shaped plug block 36 and is arranged inside the outer fixed cylinder 32; the driving motor 37 is mounted on the inner wall of the bottom end of the outer fixed cylinder 32 through a motor base, and an output shaft of the driving motor 37 is connected with the outer wall of the bottom end of the inner fixed cylinder 33 through a flange; the double-shaft motor 38 is arranged in the middle of the inner wall of the bottom end of the inner fixed barrel 33 through a motor base, two output shafts of the double-shaft motor 38 are both provided with an adjusting screw rod 39 through a coupler, and the other end of the adjusting screw rod 39 is arranged on the inner wall of the inner fixed barrel 33 through a bearing; the two adjusting screw rods 39 arranged on the double-shaft motor 38 have opposite rotating directions; the middle part of the inner fixed cylinder 33 is provided with a guide rod 30, the guide rod 30 is positioned above the double-shaft motor 38, and the number of the expansion units 62 is two; the expansion units 62 are symmetrically arranged on the guide rod 30 in a left-right mode in a sliding fit mode, and the expansion units 62 are connected with the adjusting screw rod 39 in a threaded mode; the auxiliary unit 61 is arranged at the upper end of the inner fixed cylinder 33, and the two expansion units 62 and the auxiliary unit 61 are vertical to each other; when the bearing inner ring is fixed, the auxiliary unit 61 is manually pinched inwards, the bearing inner ring is manually sleeved on the outer wall of the auxiliary unit 61 after the width of the auxiliary unit 61 is reduced, the bearing inner ring is limited by the auxiliary spring 612 pushing the auxiliary pressure plate 613 after the hand is released, and then the height of the expansion unit 62 is adjusted to be the same as that of the bearing inner ring under the action of the lifting cylinder 31; then, the double-shaft motor 38 works to drive the adjusting screw rod 39 to rotate, the two expansion units 62 are adjusted to move under the rotating action of the adjusting screw rod 39, and the bearing inner ring is fixed in an expansion mode through the expansion units 62; the driving motor 37 rotates at a high speed to drive the inner fixed cylinder 33 to rotate, and further drives the bearing inner ring fixed by the upper end expansion unit 62 to rotate at a high speed; fixing device 3 has guaranteed its fixed effect to the bearing inner race through the mode that the expansion unit 62 of symmetry adopted the outer expansion, and guarantees through auxiliary unit 61 that the high-speed pivoted in-process of bearing inner race can not take place off-centre, has improved bearing inner race pivoted stability, has guaranteed the effect of seting up of later stage bearing inner race outer wall slot.
Referring to fig. 7, the auxiliary unit 61 includes an auxiliary plate 611, an auxiliary spring 612, and an auxiliary pressure plate 613; the auxiliary plate 611 is installed on the upper inner wall of the inner fixed cylinder 33, a rectangular through hole is formed in the auxiliary plate 611, the auxiliary pressure plate 613 is symmetrically arranged in the rectangular through hole of the auxiliary plate 611 in a sliding fit manner in a front-back manner, a plurality of auxiliary springs 612 are arranged in the rectangular through hole of the auxiliary plate 611, and two ends of each auxiliary spring 612 are connected with the auxiliary pressure plate 613; the outer wall of the auxiliary pressure plate 613 is provided with a roller through a bearing; the outer wall of the auxiliary pressure plate 613 is provided with a roller through a bearing, the roller is convenient for manually sleeving a bearing inner ring, and the roller can reduce the friction force between the roller and the bearing inner ring so as to position the bearing inner ring; when the bearing inner ring is sleeved on the outer wall of the auxiliary unit 61, the bearing inner ring can be kept centered under the action of the auxiliary spring 612 extending the auxiliary pressure plate 613, so that the bearing inner ring can be conveniently controlled to be fixed, and the stability of the bearing inner ring in the later high-speed rotation process can be ensured under the action of the auxiliary unit 61; preventing the bearing inner ring from deflecting.
Referring to fig. 5, the expanding unit 62 includes an expanding plate 621, an expanding spring 622, and a pressure plate 623; the expansion plate 621 is installed on the outer wall of the guide rod 30 in a sliding fit manner, and the expansion plate 621 is connected with the adjusting screw 39 in a threaded manner; a pressure plate 623 is mounted on the outer wall of the expansion plate 621 through an expansion spring 622, the pressure plate 623 is connected with the expansion plate 621 in a sliding fit manner, and a rubber pad with a groove is arranged on the outer wall of the pressure plate 623, so that the fixing effect of the pressure plate 623 on the bearing inner ring is improved, and the bearing inner ring and the pressure plate 623 are prevented from sliding relatively; when the bearing inner ring is fixed, the two pressure plates 623 move towards opposite directions, so that the pressure plates 623 are contacted with the inner wall of the bearing inner ring, and finally the bearing inner ring is fixed through the expansion effect; the expansion unit 62 adopts a two-point outward expansion method to fix the bearing inner ring, so that the later processing of the bearing inner ring is facilitated; and the stability of the bearing inner ring is ensured by fixing two points.
Referring to fig. 3 and 5, the cutting device 4 includes a first electric slider 41, a first support frame 42, a first adjusting rod 43, a first adjusting cylinder 44, a fixed disc 45, a cutting blade 46, a fixed plate 47, a square column 48 and an actuating spring 49; the first electric sliding block 41 is arranged in a right sliding groove of the limiting sleeve 2 in a sliding fit manner; a first supporting frame 42 is installed on the outer wall of the first electric sliding block 41, a limiting hole is formed above the first supporting frame 42, a first adjusting rod 43 is installed in the limiting hole of the first supporting frame 42 in a sliding fit mode, a fixing disc 45 is installed at the right end of the first adjusting rod 43, the first adjusting cylinders 44 are symmetrically arranged on the right side wall of the first supporting frame 42 in the vertical direction, and the telescopic ends of the first adjusting cylinders 44 are connected with the fixing disc 45; the left end of the first adjusting rod 43 is provided with a square through hole, the inner wall of the right end of the cutting knife 46 is provided with a square column 48, the outer wall of the square column 48 is sleeved with an actuating spring 49, the fixing plate 47 is sleeved on the outer wall of the left side of the first adjusting rod 43 in a sliding fit mode, the fixing plate 47 is connected with the cutting knife 46 through screws, and the square column 48 is located in the square through hole of the first adjusting rod 43; when a groove is formed in the outer wall of the bearing inner ring, the height of the cutting knife 46 is adjusted through the movement of the first electric slider 41, so that the height of the cutting knife 46 is consistent with the height of the outer wall of the bearing inner ring; then, the first adjusting cylinder 44 slowly contracts to drive the cutting knife 46 to move, so that the cutting knife 46 is in contact with the outer wall of the bearing inner ring, the rotating bearing inner ring is matched with the cutting knife 46, and the opening of a groove on the outer wall of the bearing inner ring is further completed; the cutting device 4 can control the opening depth of the groove on the outer wall of the bearing inner ring by slowly feeding the cutting knife 46, and can ensure the stability of the cutting knife 46 by the square column 48, effectively prevent the cutting knife 46 from shaking when the groove is opened on the bearing inner ring, improve the stability of the cutting knife 46 and ensure the opening quality of the groove on the outer wall of the bearing inner ring.
Referring to fig. 3, the polishing device 5 includes a second electric slider 51, a second support frame 52, a second adjusting rod 53, a polishing ball 54, a compression spring 55, a tension steel rope 56 and a second adjusting cylinder 57; the second electric sliding block 51 is arranged in a left sliding groove of the limiting sleeve 2 in a sliding fit manner; a second support frame 52 is mounted on the outer wall of the second electric slider 51, a circular hole is formed above the second support frame 52, and balls are symmetrically arranged on the upper and lower sides of the inner wall of the circular hole in the second support frame 52; the upper outer wall and the lower outer wall of the second adjusting rod 53 are symmetrically provided with guide grooves, the second adjusting rod 53 is installed in a circular hole of the second supporting frame 52 in a sliding fit mode, the outer wall of the second adjusting rod 53 on the left side of the second supporting frame 52 is sleeved with a compression spring 55, the left end of the compression spring 55 is connected with the second adjusting rod 53, and the right end of the compression spring 55 is connected with the second supporting frame 52; and the compression spring 55 is in a compressed state; the right end of the second adjusting rod 53 is provided with a grinding ball 54, the bottom end of the second adjusting cylinder 57 is arranged on the second supporting frame 52, the top end of the second adjusting cylinder 57 is provided with a tension steel rope 56, and the other end of the tension steel rope 56 penetrates through the second supporting frame 52 and is connected to the left end of the second adjusting rod 53; when a groove on the outer wall of the bearing inner ring is polished, the height of the second support frame 52 is adjusted through the movement of the second electric slider 51, so that the heights of the polishing ball 54 and the groove on the outer wall of the bearing inner ring are kept consistent, the tension steel rope 56 is slowly extended and gradually released through the second adjusting cylinder 57, the second adjusting rod 53 is driven to move through the action of the compression spring 55, the polishing ball 54 is further attached to the groove on the inner ring of the bearing, and the groove polishing on the outer wall of the bearing inner ring is realized through the rotation of the bearing inner ring; grinding device 5 has guaranteed the laminating degree of ball 54 and bearing inner race outer wall slot of polishing through compression spring 55 to guaranteed the effect of polishing of bearing inner race outer wall slot, guaranteed that bearing inner race outer wall slot is smooth even, the later stage rolling element of being convenient for rolls steadily.
In addition, the invention also provides an automatic processing technology for bearing production and manufacturing, which comprises the following specific steps:
s1: firstly, a bearing inner ring to be machined is manually sleeved on the outer wall of the auxiliary unit 61, the bearing inner ring is limited by jacking an auxiliary pressure plate 613 through an auxiliary spring 612, and then the height of the expansion unit 62 is adjusted to be the same as that of the bearing inner ring under the action of the lifting cylinder 31; then, the double-shaft motor 38 works to drive the adjusting screw rod 39 to rotate, the two expansion units 62 are adjusted to move under the rotating action of the adjusting screw rod 39, and the bearing inner ring is fixed in an expansion mode through the expansion units 62;
s2: the driving motor 37 works to drive the inner fixed cylinder 33 to stably run at high speed, and the inner fixed cylinder 33 rotates and drives the bearing inner ring to rotate; then, the height of the cutting knife 46 is adjusted through the movement of the first electric slider 41, so that the height of the cutting knife 46 is consistent with the height of the outer wall of the bearing inner ring; then, the first adjusting cylinder 44 slowly contracts to drive the cutting knife 46 to move, so that the cutting knife 46 is in contact with the outer wall of the bearing inner ring, and the groove opening of the bearing inner ring is completed;
s3: after the groove of the bearing inner ring is formed, the second support frame 52 is driven to move through the second electric slide block 51, so that the height of the grinding ball 54 is consistent with that of the groove of the bearing inner ring, the tension steel rope 56 is slowly extended and gradually released through the second adjusting cylinder 57, the second adjusting rod 53 is driven to move through the action of the compression spring 55, the grinding ball 54 is further attached to the groove of the bearing inner ring, and the groove grinding of the outer wall of the bearing inner ring is realized through the rotation of the bearing inner ring;
s4: and after polishing, manually taking down the bearing inner ring and checking the processing condition of the bearing inner ring.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An automatic processing device for bearing production and manufacture comprises a bottom plate (1), a limiting sleeve (2), a fixing device (3), a cutting device (4) and a polishing device (5); the method is characterized in that: the upper end of the bottom plate (1) is provided with a limiting sleeve (2), a circular cavity is arranged inside the limiting sleeve (2), sliding grooves are symmetrically formed in the left side and the right side of the limiting sleeve (2), the cutting device (4) is installed in the right sliding groove of the limiting sleeve (2) in a sliding fit mode, the polishing device (5) is installed in the left sliding groove of the limiting sleeve (2) in a sliding fit mode, the fixing device (3) is arranged in the middle of the upper end of the bottom plate (1) and located in the circular cavity of the limiting sleeve (2), and balls are uniformly arranged on the upper end face of the limiting sleeve (2) in a movable connection mode; wherein:
the fixing device (3) comprises a lifting cylinder (31), an outer fixing cylinder (32), an inner fixing cylinder (33), a limiting column (34), a limiting spring (35), an L-shaped inserting block (36), a driving motor (37), a double-shaft motor (38), an adjusting screw rod (39), a guide rod (30), an auxiliary unit (61) and an expansion unit (62); the lifting cylinder (31) is symmetrically arranged on the upper end face of the bottom plate (1), an outer fixing cylinder (32) is installed at the top end of the lifting cylinder (31), mounting grooves are evenly formed in the upper end face of the outer fixing cylinder (32) along the axis direction of the outer fixing cylinder, a limiting column (34) is arranged in each mounting groove of the outer fixing cylinder (32), a limiting spring (35) is sleeved on the outer wall of each limiting column (34), an L-shaped inserting block (36) is sleeved on the outer wall of each limiting column (34) in a sliding fit mode, and one end, close to the axis of the outer fixing cylinder (32), of each limiting spring (35) is connected with the outer wall of the L-shaped inserting block (36); the outer wall of the middle part of the inner fixed cylinder (33) is provided with a circular chute, the upper end of the inner fixed cylinder (33) is uniformly provided with balls along the axial direction, and the circular chute of the inner fixed cylinder (33) is movably connected with an L-shaped insertion block (36) and is arranged inside the outer fixed cylinder (32); the driving motor (37) is installed on the inner wall of the bottom end of the outer fixed cylinder (32) through a motor base, and an output shaft of the driving motor (37) is connected with the outer wall of the bottom end of the inner fixed cylinder (33) through a flange; the double-shaft motor (38) is installed in the middle of the inner wall of the bottom end of the inner fixed barrel (33) through a motor base, two output shafts of the double-shaft motor (38) are both provided with an adjusting screw rod (39) through a coupler, and the other end of the adjusting screw rod (39) is installed on the inner wall of the inner fixed barrel (33) through a bearing; the two adjusting screw rods (39) arranged on the double-shaft motor (38) have opposite rotating directions; the middle part of the inner fixed cylinder (33) is provided with a guide rod (30), the guide rod (30) is positioned above the double-shaft motor (38), and the number of the expansion units (62) is two; the expansion units (62) are arranged on the guide rod (30) in a bilateral symmetry mode in a sliding fit mode, and the expansion units (62) are connected with the adjusting screw rod (39) in a threaded mode; the auxiliary unit (61) is arranged at the upper end of the inner fixed cylinder (33), and the two expansion units (62) and the auxiliary unit (61) are perpendicular to each other.
2. The automatic processing equipment for bearing production and manufacture according to claim 1, wherein: the cutting device (4) comprises a first electric sliding block (41), a first supporting frame (42), a first adjusting rod (43), a first adjusting cylinder (44), a fixed disc (45), a cutting knife (46), a fixed plate (47), a square column (48) and an actuating spring (49); the first electric sliding block (41) is arranged in a right sliding groove of the limiting sleeve (2) in a sliding fit mode; the outer wall of the first electric sliding block (41) is provided with a first supporting frame (42), a limiting hole is formed above the first supporting frame (42), the first adjusting rod (43) is installed in the limiting hole of the first supporting frame (42) in a sliding fit mode, the right end of the first adjusting rod (43) is provided with a fixed disc (45), the first adjusting air cylinders (44) are symmetrically arranged on the right side wall of the first supporting frame (42) in the vertical direction, and the telescopic ends of the first adjusting air cylinders (44) are connected with the fixed disc (45); the left end of adjusting pole (43) is provided with square through hole, cutting sword (46) right-hand member inner wall be provided with square column (48), the outer wall cover of square column (48) is equipped with executive spring (49), fixed plate (47) establish the left side outer wall of adjusting pole (43) through sliding fit mode cover, and be connected through the screw between fixed plate (47) and cutting sword (46), square column (48) be located the square through hole of adjusting pole (43).
3. The automatic processing equipment for bearing production and manufacture according to claim 2, wherein: the polishing device (5) comprises a second electric slide block (51), a second support frame (52), a second adjusting rod (53), a polishing ball (54), a compression spring (55), a tension steel rope (56) and a second adjusting cylinder (57); the second electric sliding block (51) is arranged in a left sliding groove of the limiting sleeve (2) in a sliding fit mode; a second support frame (52) is installed on the outer wall of the second electric sliding block (51), a round hole is formed above the second support frame (52), and balls are symmetrically arranged on the upper and lower sides of the inner wall of the round hole in the second support frame (52); guide grooves are symmetrically formed in the upper outer wall and the lower outer wall of the second adjusting rod (53), the second adjusting rod (53) is installed in a circular hole of the second supporting frame (52) in a sliding fit mode, a compression spring (55) is sleeved on the outer wall of the second adjusting rod (53) on the left side of the second supporting frame (52), the left end of the compression spring (55) is connected with the second adjusting rod (53), and the right end of the compression spring (55) is connected with the second supporting frame (52); and the compression spring (55) is in a compressed state; grinding balls (54) are installed at the right end of the second adjusting rod (53), the bottom end of the second adjusting cylinder (57) is installed on the second supporting frame (52), a tension steel rope (56) is installed at the top end of the second adjusting cylinder (57), and the other end of the tension steel rope (56) penetrates through the second supporting frame (52) to be connected to the left end of the second adjusting rod (53).
4. The automatic processing equipment for bearing production and manufacturing according to claim 1, wherein: the expansion unit (62) comprises an expansion plate (621), an expansion spring (622) and a pressure plate (623); the expansion plate (621) is arranged on the outer wall of the guide rod (30) in a sliding fit mode, and the expansion plate (621) is connected with the adjusting screw rod (39) in a threaded mode; the outer wall of the expansion plate (621) is provided with a pressure plate (623) through an expansion spring (622), and the pressure plate (623) is connected with the expansion plate (621) in a sliding fit manner.
5. The automatic processing equipment for bearing production and manufacture according to claim 3, wherein: the auxiliary unit (61) comprises an auxiliary plate (611), an auxiliary spring (612) and an auxiliary pressure plate (613); the auxiliary plate (611) is arranged on the upper inner wall of the inner fixed cylinder (33), a rectangular through hole is formed in the auxiliary plate (611), the auxiliary pressure plate (613) is symmetrically arranged in the rectangular through hole of the auxiliary plate (611) in a front-back sliding fit mode, a plurality of auxiliary springs (612) are arranged in the rectangular through hole of the auxiliary plate (611), and two ends of each auxiliary spring (612) are connected with the auxiliary pressure plate (613); the outer wall of the auxiliary pressure plate (613) is provided with a roller through a bearing.
6. The automatic processing equipment for bearing production and manufacture according to claim 1, wherein: and one end of the L-shaped insertion block (36) close to the axle center of the outer fixed cylinder (32) is provided with a ball in a movable connection mode.
7. The automatic processing equipment for bearing production and manufacture according to claim 4, wherein: and a rubber pad with a groove is arranged on the outer wall of the pressure plate (623).
8. The automatic processing equipment for bearing production and manufacture according to claim 5, wherein: the processing technology of the automatic processing equipment for producing and manufacturing the bearing comprises the following steps:
s1: firstly, a bearing inner ring to be processed is manually sleeved on the outer wall of an auxiliary unit (61), the bearing inner ring is limited by an auxiliary spring (612) jacking an auxiliary pressure plate (613), and then the same height of an expansion unit (62) and the bearing inner ring is adjusted under the action of a lifting cylinder (31); then, the double-shaft motor (38) works to drive the adjusting screw rod (39) to rotate, the two expansion units (62) are adjusted to move under the rotating action of the adjusting screw rod (39), and the inner ring of the bearing is fixed in an expansion mode through the expansion units (62);
s2: the driving motor (37) works to drive the inner fixed cylinder (33) to stably rotate at high speed, and the inner fixed cylinder (33) rotates and drives the bearing inner ring to rotate; then, the height of the cutting knife (46) is adjusted through the movement of the first electric sliding block (41), so that the height of the cutting knife (46) is consistent with the height of the outer wall of the bearing inner ring; then, the first adjusting cylinder (44) is slowly contracted to drive the cutting knife (46) to move, so that the cutting knife (46) is in contact with the outer wall of the bearing inner ring, and the groove opening of the bearing inner ring is completed;
s3: after the grooves of the bearing inner ring are formed, a second support frame (52) is driven to move through a second electric sliding block (51), so that the height of a grinding ball (54) is consistent with the height of the grooves of the bearing inner ring, a second adjusting cylinder (57) slowly extends to gradually release a tension steel rope (56), a second adjusting rod (53) is driven to move through the action of a compression spring (55), the grinding ball (54) is further attached to the grooves of the bearing inner ring, and the grooves of the outer wall of the bearing inner ring are ground through the rotation of the bearing inner ring;
s4: and after polishing, manually taking down the bearing inner ring and checking the processing condition of the bearing inner ring.
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